3(4x+7)=(7+3x)+5

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Solution for 3(4x+7)=(7+3x)+5 equation:


Simplifying
3(4x + 7) = (7 + 3x) + 5

Reorder the terms:
3(7 + 4x) = (7 + 3x) + 5
(7 * 3 + 4x * 3) = (7 + 3x) + 5
(21 + 12x) = (7 + 3x) + 5

Remove parenthesis around (7 + 3x)
21 + 12x = 7 + 3x + 5

Reorder the terms:
21 + 12x = 7 + 5 + 3x

Combine like terms: 7 + 5 = 12
21 + 12x = 12 + 3x

Solving
21 + 12x = 12 + 3x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-3x' to each side of the equation.
21 + 12x + -3x = 12 + 3x + -3x

Combine like terms: 12x + -3x = 9x
21 + 9x = 12 + 3x + -3x

Combine like terms: 3x + -3x = 0
21 + 9x = 12 + 0
21 + 9x = 12

Add '-21' to each side of the equation.
21 + -21 + 9x = 12 + -21

Combine like terms: 21 + -21 = 0
0 + 9x = 12 + -21
9x = 12 + -21

Combine like terms: 12 + -21 = -9
9x = -9

Divide each side by '9'.
x = -1

Simplifying
x = -1

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